basic memory management and uart wait fix

[cortex-from-scratch] / lib.c

diff --git a/lib.c b/lib.c
index 62c56e8..69bb12d 100644 (file)
--- a/lib.c
+++ b/lib.c
@@ -9,13 +9,12 @@
 
 char hexbuf[8] = {'0', '0','0', '0','0', '0','0', '0'};
 
-void addrtohex(const uint32_t addr) {
+void addrtohex(uint32_t addr) {
        char tmpbuf[6] = {'A', 'B', 'C', 'D', 'E', 'F'};
        memset(&hexbuf, 0, sizeof(uint32_t) * 8);
-       uint32_t tmp = addr;
 
        for (int i = 0; i < 8 ; i++) {
-               tmp = addr;
+               uint32_t tmp = addr;
                tmp = tmp >> (i * 4);
                tmp = tmp & 0xF;
                if ((tmp >= 0) && tmp < 10) {
@@ -27,20 +26,10 @@ void addrtohex(const uint32_t addr) {
        }
 
        uart_puts("ADDRESS: 0x");
-       for (int i = 7; i >= 0; i--) {
+        for (int i = 7; i >= 0; i--) {
                uart_putc(hexbuf[i]);
-       }
+       } 
+       //uart_puts(hexbuf);
        uart_putc('\n');
 }
 
-
-void *malloc(size_t size) {
-
-
-
-}
-
-void free(void * ptr) {
-
-
-}